private EcmaValue TransformValue(RuntimeObject holder, EcmaPropertyKey property, EcmaValue value)
{
if (value.Type == EcmaValueType.Object)
{
EcmaValue toJson = value[WellKnownProperty.ToJSON];
if (toJson.IsCallable)
{
value = toJson.Call(value, property.ToValue());
}
}
if (replacer != EcmaValue.Undefined)
{
value = replacer.Call(holder, property.ToValue(), value);
}
if (value.Type == EcmaValueType.Object)
{
EcmaValue primitive = EcmaValueUtility.UnboxPrimitiveObject(value);
switch (primitive.Type)
{
case EcmaValueType.Number:
case EcmaValueType.String:
case EcmaValueType.Boolean:
return(primitive);
}
}
return(value);
}
public static EcmaValue Stringify(EcmaValue value, EcmaValue replacer, EcmaValue space)
{
string indentString;
space = EcmaValueUtility.UnboxPrimitiveObject(space);
if (space.Type == EcmaValueType.Number)
{
indentString = new String(' ', Math.Max(0, Math.Min(10, space.ToInt32())));
}
else if (space.Type == EcmaValueType.String)
{
indentString = space.ToStringOrThrow();
}
else
{
indentString = String.Empty;
}
string result;
if (replacer.IsCallable)
{
result = new EcmaJsonWriter(indentString, replacer).Serialize(value);
}
else if (EcmaArray.IsArray(replacer))
{
HashSet <string> propertyList = new HashSet <string>();
for (long i = 0, length = replacer[WellKnownProperty.Length].ToLength(); i < length; i++)
{
EcmaValue item = EcmaValueUtility.UnboxPrimitiveObject(replacer[i]);
if (item.Type == EcmaValueType.String || item.Type == EcmaValueType.Number)
{
propertyList.Add(item.ToStringOrThrow());
}
}
result = new EcmaJsonWriter(indentString, propertyList).Serialize(value);
}
else
{
result = new EcmaJsonWriter(indentString).Serialize(value);
}
return(result ?? EcmaValue.Undefined);
}